RT Journal Article SR Electronic T1 ORAL DISEASE JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 190 OP 190 VO 30 IS 212 A1 Gray, D. J. Pereira YR 1980 UL http://bjgp.org/content/30/212/190.1.abstract AB